BT8954 CONEXANT [Conexant Systems, Inc], BT8954 Datasheet - Page 57

• Manufacturer Part Number: BT8954
• Description: VOICE PAIR GAIN FRAMER
• Manufacturer: CONEXANT [Conexant Systems, Inc]

Bt8954
Voice Pair Gain Framer
TSFIFO_I[48:1],
TSFIFO_O[48:1]
Figure 4-1. Transmit Signaling FIFOs
N8954DSC
0x84—Transmit Signaling FIFOs (TSFIFO_I, TSFIFO_O)
TIND_LO (Address 0x82)
TIND_HI (Address 0x83)
NOTE(S):
(1)
From MC
15
—
From MC; for testing only
7
Employing a double-buffering scheme, two 48-byte FIFOs (transmit signaling input FIFO
[TSFIFO_I] and transmit signaling output FIFO [TSFIFO_0]), transmit signaling information,
as illustrated in
14
—
TSFIFO_I[48]
6
TSFIFO_I[2]
TSFIFO_I[1]
•
•
•
UPDATE_TSFIFO_O
Figure
13
—
5
TEST_TSFIFO
4-1.
12
(1)
4
Conexant
TIND[7:0]
I
11
3
O
(From Transmitter)
LD_TSIG
TIND[12:8]
10
2
TSFIFO_O[48]
TSFIFO_O[2]
TSFIFO_O[1]
4.4 Transmitter Registers
•
•
•
1
9
4.0 Registers
To
Transmitter
To MC
0
8
(1)
4-5